SendGrid vs Mailgun
Two established email infrastructure platforms with different strengths. SendGrid leads in marketing email and analytics, while Mailgun excels at routing, validation, and developer flexibility.
Not sure about either? Try Nuntly. No credit card required.
SendGrid and Mailgun are both mature email platforms that have served developers for over a decade. SendGrid (owned by Twilio) is known for its comprehensive feature set spanning transactional and marketing email. Mailgun (owned by Sinch) is known for powerful email routing, validation, and developer-focused APIs. This guide compares them across the dimensions that matter most.
SendGrid
SendGrid is one of the largest email platforms in the world, handling billions of emails monthly. Owned by Twilio, it offers both transactional and marketing email with features like A/B testing, segmentation, a visual editor, subuser management, and advanced analytics. It is a full-service email platform for teams of any size.
Mailgun
Mailgun has been a developer favorite since 2010. Now owned by Sinch, it offers a powerful email API with advanced routing, email validation, and flexible sending options. Mailgun is known for its developer-centric approach, EU data hosting option, and strong deliverability tooling on higher-tier plans.
What sets them apart
- SendGrid offers a complete marketing email suite (segmentation, A/B testing, visual editor). Mailgun is focused on transactional and programmatic email.
- Mailgun includes built-in email validation. SendGrid offers validation as a separate add-on.
- Mailgun provides powerful inbound routing rules. SendGrid has Inbound Parse but less routing flexibility.
- Mailgun offers EU data hosting as an option. SendGrid does not offer EU data residency.
- SendGrid has subuser management for enterprise multi-tenant setups. Mailgun does not have an equivalent feature.
Feature by feature
A side-by-side look at what each platform offers.
SendGrid
Mailgun
Email Sending
Email Receiving
Observability
Security & Compliance
Developer Experience
Deliverability
Pricing Model
Last verified: 2026-03-24
Pricing comparison
What each platform costs at different volumes.
SendGrid is cheaper at 50k/mo ($19.95 vs $35). At 100k, pricing is nearly identical. Both move to custom pricing at higher volumes. SendGrid includes marketing features in its plans. Mailgun includes email validation on paid plans. Both platforms charge for add-ons like dedicated IPs separately. SendGrid has a permanent free tier while Mailgun free tier expires after one month.
Prices as of 2026-03-24. Check each provider's website for the latest pricing.
Strengths and weaknesses
An honest look at what each platform does well and where it falls short.
SendGrid
- Full marketing email suite with segmentation and A/B testing
- Visual drag-and-drop email editor
- Subuser management for enterprise multi-tenant setups
- Lower entry pricing at 50k/mo
- Permanent free tier for low-volume testing
- No EU data hosting option
- Complex setup with many configuration screens
- Support quality has varied since the Twilio acquisition
- Email validation is a paid add-on, not built in
Mailgun
- Built-in email validation API
- Powerful inbound routing rules
- EU data hosting option available
- Inbox placement testing on higher plans
- SOC 2 compliant with more transparent infrastructure
- Free tier is only a 1-month trial
- No marketing email suite or visual editor
- Pricing can be complex with tiered add-ons
- Dashboard is functional but not as polished as competitors
Which platform fits your needs?
Different teams have different requirements.
Choose SendGrid if you need
- Teams that need transactional and marketing email in a single platform
- Organizations needing subuser management for multi-tenant architecture
- Companies that want a visual email editor for non-technical team members
- Teams that need A/B testing and segmentation features
Choose Mailgun if you need
- Teams that need built-in email validation to reduce bounces
- Applications with complex inbound email routing needs
- Organizations that require EU data hosting
- Developers who want inbox placement testing
- Teams that prefer pay-as-you-go billing for variable volumes
Consider Nuntly if you need
- Unified observability that neither platform provides. Nuntly combines API logs, email flow, and delivery events in a single view with 30-day retention.
- Fast API send latency optimized for transactional workloads. Built for speed at every volume tier.
- Predictable, simple pricing from a bootstrap company. No complex tiers, no expiring trials, no enterprise sales calls required.
- EU data hosting by default on every plan. Mailgun offers it as an option, but SendGrid does not offer it at all.
3,000 emails/mo. No credit card required.
Frequently asked questions
Common questions about SendGrid vs Mailgun.
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